--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.core.sparc/src/org/graalvm/compiler/core/sparc/SPARCNodeMatchRules.java	Thu Feb 16 15:46:09 2017 -0800
@@ -0,0 +1,138 @@
+/*
+ * Copyright (c) 2009, 2015, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+package org.graalvm.compiler.core.sparc;
+
+import static jdk.vm.ci.sparc.SPARCKind.BYTE;
+import static jdk.vm.ci.sparc.SPARCKind.HWORD;
+import static jdk.vm.ci.sparc.SPARCKind.WORD;
+import static jdk.vm.ci.sparc.SPARCKind.XWORD;
+
+import org.graalvm.compiler.core.common.LIRKind;
+import org.graalvm.compiler.core.gen.NodeMatchRules;
+import org.graalvm.compiler.core.match.ComplexMatchResult;
+import org.graalvm.compiler.core.match.MatchRule;
+import org.graalvm.compiler.debug.GraalError;
+import org.graalvm.compiler.lir.LIRFrameState;
+import org.graalvm.compiler.lir.gen.LIRGeneratorTool;
+import org.graalvm.compiler.nodes.DeoptimizingNode;
+import org.graalvm.compiler.nodes.calc.SignExtendNode;
+import org.graalvm.compiler.nodes.calc.ZeroExtendNode;
+import org.graalvm.compiler.nodes.memory.Access;
+
+import jdk.vm.ci.sparc.SPARCKind;
+
+/**
+ * This class implements the SPARC specific portion of the LIR generator.
+ */
+public class SPARCNodeMatchRules extends NodeMatchRules {
+
+    public SPARCNodeMatchRules(LIRGeneratorTool gen) {
+        super(gen);
+    }
+
+    protected LIRFrameState getState(Access access) {
+        if (access instanceof DeoptimizingNode) {
+            return state((DeoptimizingNode) access);
+        }
+        return null;
+    }
+
+    private ComplexMatchResult emitSignExtendMemory(Access access, int fromBits, int toBits) {
+        assert fromBits <= toBits && toBits <= 64;
+        SPARCKind toKind = null;
+        SPARCKind fromKind = null;
+        if (fromBits == toBits) {
+            return null;
+        }
+        toKind = toBits > 32 ? XWORD : WORD;
+        switch (fromBits) {
+            case 8:
+                fromKind = BYTE;
+                break;
+            case 16:
+                fromKind = HWORD;
+                break;
+            case 32:
+                fromKind = WORD;
+                break;
+            default:
+                throw GraalError.unimplemented("unsupported sign extension (" + fromBits + " bit -> " + toBits + " bit)");
+        }
+        SPARCKind localFromKind = fromKind;
+        SPARCKind localToKind = toKind;
+        return builder -> {
+            return getLIRGeneratorTool().emitSignExtendLoad(LIRKind.value(localFromKind), LIRKind.value(localToKind), operand(access.getAddress()), getState(access));
+        };
+    }
+
+    private ComplexMatchResult emitZeroExtendMemory(Access access, int fromBits, int toBits) {
+        assert fromBits <= toBits && toBits <= 64;
+        SPARCKind toKind = null;
+        SPARCKind fromKind = null;
+        if (fromBits == toBits) {
+            return null;
+        }
+        toKind = toBits > 32 ? XWORD : WORD;
+        switch (fromBits) {
+            case 8:
+                fromKind = BYTE;
+                break;
+            case 16:
+                fromKind = HWORD;
+                break;
+            case 32:
+                fromKind = WORD;
+                break;
+            default:
+                throw GraalError.unimplemented("unsupported sign extension (" + fromBits + " bit -> " + toBits + " bit)");
+        }
+        SPARCKind localFromKind = fromKind;
+        SPARCKind localToKind = toKind;
+        return builder -> {
+            // Loads are always zero extending load
+            return getLIRGeneratorTool().emitZeroExtendLoad(LIRKind.value(localFromKind), LIRKind.value(localToKind), operand(access.getAddress()), getState(access));
+        };
+    }
+
+    @MatchRule("(SignExtend Read=access)")
+    @MatchRule("(SignExtend FloatingRead=access)")
+    public ComplexMatchResult signExtend(SignExtendNode root, Access access) {
+        return emitSignExtendMemory(access, root.getInputBits(), root.getResultBits());
+    }
+
+    @MatchRule("(ZeroExtend Read=access)")
+    @MatchRule("(ZeroExtend FloatingRead=access)")
+    public ComplexMatchResult zeroExtend(ZeroExtendNode root, Access access) {
+        return emitZeroExtendMemory(access, root.getInputBits(), root.getResultBits());
+    }
+
+    @Override
+    public SPARCLIRGenerator getLIRGeneratorTool() {
+        return (SPARCLIRGenerator) super.getLIRGeneratorTool();
+    }
+
+    protected SPARCArithmeticLIRGenerator getArithmeticLIRGenerator() {
+        return (SPARCArithmeticLIRGenerator) getLIRGeneratorTool().getArithmetic();
+    }
+}